As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT DIVERTED INTO SLC DUE TO AN ELECTRICAL ODOR EMANATING FROM THE RIGHT AFT LAVATORY. MAINTENANCE TROUBLESHOT PER MANUAL. RAN PACKS USING ENGINE AND APU AIR. NO ODOR COMING FROM AIR CONDITIONING OUTLETS. FOUND OVERHEATED CEILING LIGHT BALLAST AT ROW 37 AND DIMMER CONTROL FUSES BLOWN. REMOVED AND REPLACED FUSES AND BALLAST. ALL OPERATION CHECKS GOOD.